/Engine/Plugins/Protocols/MQTT/Source/MQTTCore/Public/MQTTClientMessage.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FMQTTClientMessage
bool
bRetain
Retain flag.
TArray< uint8 >
Payload
Packet content.
FString
PayloadString
Cached payload-as-string, ie. Json.
EMQTTQualityOfS...
QoS
Quality of Service.
FDateTime
TimeStamp
TimeStamp as UTC.
FString
Topic
Packet topic.